Finding the Fourth Proportional to 144,570.75, 199,528.62 and 83,305.02
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Solution
The fourth proportional to 144,570.75, 199,528.62 and 83,305.02 is: 114,973.02
Step by Step Solution
- Step 1: Write the proportion equation
144,570.75 : 199,528.62 = 83,305.02 : x - Step 2: Convert to fraction form
144,570.75/199,528.62 = 83,305.02/x - Step 3: Cross multiply
144,570.75x = 199,528.62 × 83,305.02 - Step 4: Simplify right side
144,570.75x = 16,621,735,679.67 - Step 5: Solve for x
x = 16,621,735,679.67/144,570.75 - Step 6: Final answer
x = 114,973.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.